Only used savestates between levels, to simulate infinite lives. I don't think anyone would want to waste time on playing this game without any "cheats". (Link to video)
#7664: EZGames69, ShesChardcore, feos, ThunderAxe31 & Samsara's NES Puss 'n Boots: Pero's Great Adventure in 06:57.61
has code for #7467: DreamYao's NES Darkwing Duck "pacifist" in 12:21.89 but can now be easily modified for whatever else
#5802: kopiapoa's Windows Touhou Kanjuden ~ Legacy of Lunatic Kingdom "Extra Stage, maximum score" in 27:54.22